RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE

WU Lei; YANG Chaoyi; WAN Zhiming

doi:10.13204/j.gyjzG20052511

Volume 50 Issue 8

Oct. 2020

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WU Lei, YANG Chaoyi, WAN Zhiming. RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(8): 22-26,171. doi: 10.13204/j.gyjzG20052511

Citation:

WU Lei, YANG Chaoyi, WAN Zhiming. RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(8): 22-26,171. doi: 10.13204/j.gyjzG20052511

WU Lei, YANG Chaoyi, WAN Zhiming. RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(8): 22-26,171. doi: 10.13204/j.gyjzG20052511

Citation:

WU Lei, YANG Chaoyi, WAN Zhiming. RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(8): 22-26,171. doi: 10.13204/j.gyjzG20052511

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RESEARCH ON MODELING TECHNIQUES OF 3D PRINTING CONCRETE

doi: 10.13204/j.gyjzG20052511

School of Civil Engineering, Southeast University, Nanjing 210096, China

Received Date: 2020-05-25

Abstract

Abstract

3D concrete printing is quite different from 3D printing with other materials, printing the concrete modeling is under the influence of the molding process parameters and quality parameters. In order to put forward a modeling method that is suitable for concrete printing, the paper first discussed the steps of 3D printing modeling, then four factors that affect the modeling were studied, which indude print heads speed, discharging speed, lifting height and width of the lap joint, using the method of control variables, the paper explored the influence of each variable on concrele printing, so as to determine the optimal variable. The resules showed that when the traveling speed of printing head was about 30 mm/s, the rotation speed of screw was between 0.9~1.1 r/s, the width of concrete lap joint was more than 5 mm and the layer thickness was 13 mm, the overall deformation of printed concrete was very small, the width of printing lines was relatively ideal, and the modeling quality was high. Therefore, in the modeling process, the influence of process parameters on the modeling should be considered, which could greatly improve the molding quality of 3D printed concrete.
- concrete structures,
- 3D printing,
- three-dimensional modeling,
- model optimization

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References(11)

References

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